Classical music audiences around the country are declining in size and growing older, according to the National Endowment for the Arts. For the last 10 years the Rush Hour Concert Series in Chicago has been trying to buck that trend.

China is home to stars like the pianist Lang Lang, it has vast numbers of music students, it's the world's largest exporter of musical instruments, and it's building new venues to hear music all the time.

Two years ago, pianist Simone Dinnerstein seized the attention of the classical music world with a debut concert at Carnegie Hall and a self-produced recording that became a bestseller and made many critics' top lists that year.